节片戴文绦虫的中间宿主为( )。
A．剑水蚤
B．陆地螺和蛞蝓
C．蚂蚁
D．蜗牛
E．钉螺
参考答案：B
—Let's drive to the beach and enjoy the sunset, shall we?
— ______, but I have to finish my homework first.[ ]
A. I wish I could
B. All right
C. My pleasure
D. That's OK
如果你遇到了一件突发事件，你应当怎样处理？
